Given that the oceans are so large and the climate system so vast,"
COMPARED TO WHAT?
It is not CO2 that caused most of the change in temperature but natural changes in the sun and climatic system."
LINK??--tia
It
has long been suspected that the low solar activity during the Maunder
Minimum was one of the causes of the Little Ice Age, although other
factors like a small drop in greenhouse gas concentrations around 1600
and strong volcanic eruptions during that time likely played a role as
well. - See more at:
http://www.realclimate.org/index.php/archives/2011/06/what-if-the-sun-went-into-a-new-grand-minimum/#sthash.9SGWCYdd.dpuf